Global Patent Index - EP 2635664 A1

EP 2635664 A1 20130911 - BIODEGRADABLE QUATERNARY COMPOUNDS AS EMULSIFIERS FOR MICROEMULSIONS

Title (en)

BIODEGRADABLE QUATERNARY COMPOUNDS AS EMULSIFIERS FOR MICROEMULSIONS

Title (de)

BIOLOGISCH ABBAUBARE QUARTÄRE VERBINDUNGEN ALS EMULGATOREN FÜR MIKROEMULSIONEN

Title (fr)

COMPOSÉS QUATERNAIRES BIODÉGRADABLES SERVANT D'ÉMULSIFIANTS POUR DES MICROÉMULSIONS

Publication

EP 2635664 A1 20130911 (EN)

Application

EP 11769775 A 20110922

Priority

  • US 40880710 P 20101101
  • EP 2011004734 W 20110922

Abstract (en)

[origin: WO2012059156A1] The present invention pertains to the use of cationic surfactants corresponding to formula (I): in which R is an alkyl or alkenyl group containing II carbon atoms, Rl and R2 independently represent hydrogen or C1-4 alkyl, R3 is a C1-4 alkyl group, R4 is hydrogen or methyl, A is a linear or branched C2-6 alkylene group, n is a number from 1 to 25, and X is halogen or alkyl sulfate. Compounds of formula (I) are useful as emulsifiers for aqueous microemulsions containing terpenes.

IPC 8 full level

C11D 1/62 (2006.01); C09K 23/18 (2022.01); C09K 23/22 (2022.01); C09K 23/42 (2022.01); C11D 3/18 (2006.01); C11D 17/00 (2006.01)

CPC (source: EP KR US)

C11D 1/62 (2013.01 - EP KR US); C11D 3/18 (2013.01 - KR); C11D 3/188 (2013.01 - EP US); C11D 17/00 (2013.01 - KR); C11D 17/0021 (2013.01 - EP US)

Citation (search report)

See references of WO 2012059156A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2012059156 A1 20120510; CA 2816478 A1 20120510; CN 103189490 A 20130703; EP 2635664 A1 20130911; JP 2014501797 A 20140123; KR 20130140702 A 20131224; MX 2013004851 A 20130603; RU 2013125289 A 20141210; US 2013217611 A1 20130822

DOCDB simple family (application)

EP 2011004734 W 20110922; CA 2816478 A 20110922; CN 201180051096 A 20110922; EP 11769775 A 20110922; JP 2013535287 A 20110922; KR 20137011238 A 20110922; MX 2013004851 A 20110922; RU 2013125289 A 20110922; US 201113882379 A 20110922